42-173-32950

Final Completion

SPRABERRY DRIVER UNIT

GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

8,600 ft

First Permit

1999-02-16

Latest Activity

1999-02-16

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-09-08

Shut-In

Plugged

2025-05-20

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 2,710 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,791 ft-4,081 ft
TOP LOWER SPRABERRY (Spraberry)7,376 ft-4,666 ft
TOP DEAN (Dean)8,193 ft-5,483 ft
BASE DEAN (Dean)8,390 ft-5,680 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (3)

IntervalType
6,824–7,013 ftPerforated
7,379–7,715 ftPerforated
8,212–8,423 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"409 ft350 sx
4.5"8,542 ft1,385 sx

Permit History (2)

Applications (2)

#482736 A PIONEER NATURAL RES. USA, INC.
received 1999-07-01
#482736 A PIONEER NATURAL RES. USA, INC.
received 1999-02-16

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2000-01-03 log on file
W-2/G-1 2000-10-12

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in GLASSCOCK County.

Well Details

Well Number
A40 A
Max Depth
8,600 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
1999-09-08

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,401